From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 7EBD93858D28; Fri,  3 Nov 2023 14:57:21 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7EBD93858D28
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1699023441;
	bh=8Ms12WT91agAGz5Lriv7XqI7k42Ahigafxu9D+9rqMs=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=bIa+v86Kt3LLj2lyK3Z1+wtoPbyPDWC0IWysdWxNwvkcf9EuuEIUewXY6iWbVfMEs
	 kqC24uyvJOGKjNvxqe63LH4IxHWHFoqkB/tBiNM/Viii6j2axREbgOx2dGa3lbLznA
	 O2C8sXK3oCJE50PcQ0BunUgTOo+eeriMaAS+FaXM=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/111950] [14 Regression] ICE in
 compute_live_loop_exits, at tree-ssa-loop-manip.cc:250 since
 r14-4786-gd118738e71c
Date: Fri, 03 Nov 2023 14:57:21 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code, wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created
Message-ID: <bug-111950-4-DutAJbz6a7@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-111950-4@http.gcc.gnu.org/bugzilla/>
References: <bug-111950-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111950

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #56500|0                           |1
        is obsolete|                            |

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 56502
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56502&action=3Dedit
patch

Remaining and polished patch.  Will ICE the following testcases I added:

FAIL: gfortran.dg/20231103-1.f90   -O  (internal compiler error: verify_gim=
ple
failed)
FAIL: gfortran.dg/20231103-1.f90   -O   2 blank line(s) in output
FAIL: gfortran.dg/20231103-1.f90   -O  (test for excess errors)
FAIL: gfortran.dg/20231103-2.f90   -O  (internal compiler error: verify_gim=
ple
failed)
FAIL: gfortran.dg/20231103-2.f90   -O   2 blank line(s) in output
FAIL: gfortran.dg/20231103-2.f90   -O  (test for excess errors)


ICE like the following, investigation pending.

Error: incompatible types in 'PHI' argument 1
real(kind=3D4)

integer(kind=3D8)

prephitmp_91 =3D PHI <_21(56), S.4_130(55)>
during GIMPLE pass: vect=